body, html {
    width: 100%;
    height: 100%;
    background-color: #F1F1F1;
}

header {
    height: 40px;
    width: 100%;
    background-color: white;
    line-height: 40px;
    position: fixed;
    top: 0px;
    z-index: 999;
    box-shadow: 0px 0px 5px 0px darkgrey;
    text-align: center;
}
header a{
    display: block;
    width: 40px;
    height: 40px;
}
header img {
    height: 17px;
    width: 10px;
    position: absolute;
    left: 15px;
    top: 12px;
}

header label {
    color: black;
    font-size: 15px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}

header .a2 {
    height: 25px;
    width: 25px;
    position: absolute;
    top: 12px;
    right: 35px;
    background-image: url("../../images/index/icons.png");
    background-size: 100px 75px;
    background-position: -50px 0px;
}

header .s {
    height: 25px;
    width: 25px;
    position: absolute;
    top: 10px;
    right: 5px;
    background-image: url("../../images/index/icons.png");
    background-size: 100px 75px;
    background-position: -25px 0px;
}

/*header END*/
.swiper-container img{
    width: 100%;
    margin-top: 23px;
}
.swiper-container .swiper-pagination-bullet-active{
    background: #FFFFFF;
}

/*轮播图样式end*/

#select {
    height: 80px;
    background-color: white;
    transition: all 0.1s;
    -webkit-transition: all 0.1s;
}

#select ul {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    box-shadow: 0px 1px 20px 2px #d7d7d7;
}

#select ul li {
    width: 25%;
    height: 100%;
    box-sizing: border-box;
    border-right: 1px solid #e1e1e1;
    text-align: center;
    position: relative;
    transition: all 0.4s;
    -webkit-transition: all 0.4s;
    box-shadow: 0;
}

#select ul a {
    height: 100%;
    width: 100%;
    color: black;
}

#select li img {
    margin: 15px auto;
    margin-bottom: 5px;
    display: block;
    height: 25px;
    width: 25px;
}

.lishadow {
    box-shadow: 3px 3px 10px 0px #e9e9e9;
}

.drak {
    background-color: #f9f9f9;
}

/*select END*/
#first {
    background-color: #fff;
    margin-top: 15px;
    position: relative;
    padding: 0 15px;
}

#first .ftop {
    text-align: center;
    position: relative;
}

#first .ftop h2 {
    padding-top: 20px;
    font-size: 20px;
    color: black;
}

#first .ftop h6 {
    -webkit-transform: scale(0.8);
    transform: scale(0.8);
    color: #b9b9b9;
}

#first .ftop i {
    position: absolute;
    height: 1px;
    background-color: black;
    top: 30px;
    left: 40%;
    width: 10%;
    margin-left: -45px;
}

#first .ftop s {
    position: absolute;
    height: 1px;
    background-color: black;
    top: 30px;
    right: 40%;
    width: 10%;
    margin-right: -45px;
}

.topic {
    border-bottom: 2px solid black;
}

.topic > div {
    height: 230px;
    position: relative;
    border-bottom: 1px solid #F1F1F1;
    padding: 0 0 0 197px;
    margin-top: 20px;
}

.topic em {
    height: 2px;
    background-color: #1E7CAE;
    position: absolute;
    top: 0;
    left: 0;
    width: 40px;
}

.topic .is {
    width: 100px;
    height: 26px;
    line-height: 26px;
    position: absolute;
    left: 0;
    top: 0px;
    color: black;
}

.topic .sc {
    position: absolute;
    right: 40px;
    height: 31px;
    width: 31px;
    top: 0;
    overflow: hidden;
    background-image: url("../../images/school/wsc.png");
    background-size: 100% 100%;
    background-position: 0 0;
}
.topic .sc img {
    width: 100%;
}
.topic .fx {
    position: absolute;
    right: 0;
    height: 31px;
    width: 30px;
    top: 0;
}

.topic .big {
    position: absolute;
    top: 0;
    left: 0;
    height: 180px;
    width: 180px;
}
.topic span {
    width: 35%;
    display: block;
    height: 47%;
    color: black;
    font-size: 14px;
    position: absolute;
    top: 25%;
    right: 0;
    overflow : hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
}
.topic .content {
    width: 100%;
    height: 85%;
    position: absolute;
    left: 0;
    right: 0;
    top: 30px;
}
#rmain {
    border-bottom: 0;
}

/*推荐话题 热门话题END*/
#tmain {
    overflow: hidden;
    border-bottom: 1px solid #F1F1F1;
}

#tmain .topp {
    height: 40px;
    line-height: 40px;
    color: black;
    font-size: 16px;
}
#tmain img{
    width: 100%;
}
#tmain .topp a {
    color: cornflowerblue;
    font-size: 12px;
    position: absolute;
    right: 15px;
}

#tmain > img {
    width: 100%;
    height: 140px;
}

#tmain .thenp {
    height: 30px;
    line-height: 30px;
    color: black;
    font-size: 13px;
    text-align: center;
}

#tmain ul {
    width: 1000px;
    height: 150px;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    transform: translate(0px);
    -webkit-transform: translate(0px);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-perspective: none;
    perspective: none;
}

#tmain ul li {
    width: 200px;
    height: 150px;
    text-align: center;
    overflow: hidden;
}

#tmain ul li img {
    width: 190px;
    height: 110px;
}

#tmain ul li p {
    height: 30px;
    line-height: 30px;
    color: black;
}

/*热门视频END*/
.mask{
    background: rgba(0,0,0,0);
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    top: 45px;
    z-index: 100;
}
.circle{
    width: 25px;
    height: 25px;
    border: 1px solid darkgray;
    border-radius: 50%;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -10px;
    margin-top: -60px;

}
.point{
    width: 24px;
    height: 24px;
    border-radius: 50%;
    color: darkgray;
    font-size: 18px;
    line-height: 23px;
    animation: turn 1s infinite linear;
    -webkit-animation: turn 1s infinite linear;
}
@keyframes turn{
    from{
        transform: rotate(0deg);
    }
    to{
        transform: rotate(360deg);
    }
}
@-webkit-keyframes turn{
    from{
        transform: rotate(0deg);
    }
    to{
        transform: rotate(360deg);
    }
}

footer {
    width: 100%;
    height: 40px;
    margin-top: 10px;
    background-color: white;
    padding: 15px 0;
    position: relative;
}

footer div {
    text-align: center;
}

footer div p {
    display: flex;
    justify-content: space-around;
    margin-bottom: 10px;
}

footer div p a {
    color: black;
    font-size: 14px;
    padding: 0 5px;
}

footer i {
    color: darkgrey;
    display: block;
}

/*footer END*/